Philosophy, from the earliest times, has made greater claims, and achieved fewer results, than any other branch of learning. In Our Knowledge of the External World, Bertrand Russell illustrates instances where the claims of philosophers have been excessive, and examines why their achievements have not been greater.

Our Knowledge of the External World : As a Field for Scientific Method in Philosophy - 96 edition

Philosophy, from the earliest times, has made greater claims, and achieved fewer results, than any other branch of learning. In Our Knowledge of the External World, Bertrand Russell illustrates instances where the claims of philosophers have been excessive, and examines why their achievements have not been greater.